题解 | #鸡兔同笼#简单判断一下就行
鸡兔同笼
https://www.nowcoder.com/practice/fda725b4d9a14010bb145272cababef1
while True:
try:
a = int(input())
if a % 2 != 0:
print(0, 0)
else:
print(a // 4 + (a % 4 == 2), a // 2)
except:
break
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